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How to do two way, p2p, symmetrical web using asymmetrical pull ...

In RSS: Promise and Peril Tim Bray talks about use of RSS providing notification mechanism to track state changes of Web services such as credit card transactions, weather, traffic reports, sales tracking, ...

This is very useful but what caught my attention is that by using RSS pull mechanism (or similar approaches that are asymmetrical) we may finally achieve p2p functionality (symmetry) that long time ago was promised with ubiquitous IP address (Internet enabled toaster anyone?). This makes sense for clients behind firewalls and other NATs i.e. majority of Internet users, clients that have no public IP address (asymmetrical web ?). Now the problem is really who will pay for it: how to stream commercials in RSS?

NOTE: this is how i designed event/message notification in XEvents/XMessages, to provide maximum flexibility it is based on pulling events matching filters, and application that is pulling may maintain token to allow to recover from disconnections (similar but more powerful than ETag).

created Fri 20 June 2003 7:18 PM EST [2003/6/20 19:18 EST] permalink

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